Finding the Fourth Proportional to 798,620.97, 1,101,966.93 and 471,888.54
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Solution
The fourth proportional to 798,620.97, 1,101,966.93 and 471,888.54 is: 651,129.37
Step by Step Solution
- Step 1: Write the proportion equation
798,620.97 : 1,101,966.93 = 471,888.54 : x - Step 2: Convert to fraction form
798,620.97/1,101,966.93 = 471,888.54/x - Step 3: Cross multiply
798,620.97x = 1,101,966.93 × 471,888.54 - Step 4: Simplify right side
798,620.97x = 520,005,565,725.98 - Step 5: Solve for x
x = 520,005,565,725.98/798,620.97 - Step 6: Final answer
x = 651,129.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.